The servers in your Exchange Server 2007 environment are configured as shown in the following table

Internal users report that they are not receiving external e-mail. You use the Exchange Queue Viewer on your desktop computer to investigate the problem. You do not see any messages in the queue. You need to be able to view the undelivered messages. What should you do?

A.
Open the Queue Viewer on Server2

B.
Run the Get-Queue -Identity Server3 cmdlet

C.
Modify the Refresh interval (seconds) option in Queue Viewer

D.
Modify the Number of items to display per page option in Queue Viewer